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Web Hosting and Cloud Computing Control Panels
Howdy,
Is it just Virtualmin that's unavailable during that time? Or is it all services on your system?
Are you by chance using a VPS of some sort?
What is the output of these two commands:
free -mcat /proc/user_beancounters
Yup... An OpenVZ VPS. All the services work ok, that's why I didn't really relate the problem to OpenVZ. The used memory is always high though,- around 700-800 out of 1024 mbs.
total used free shared buffers cachedMem: 1024 782 241 0 0 0
-/+ buffers/cache: 782 241
Swap: 0 0 0
numpty 1 1 500000 500000 0numsiginfo 0 29 999999 999999 0
tcpsndbuf 338352 3599032 214748160 396774400 0
tcprcvbuf 294912 2003864 214748160 396774400 0
othersockbuf 251424 1079528 214748160 396774400 0
dgramrcvbuf 0 21600 214748160 396774400 0
numothersock 149 226 7999992 7999992 0
dcachesize 1148479 1246135 2147483646 2147483646 0
numfile 2886 4328 23999976 23999976 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 14 14 999999 999999 0
Providers of OpenVZ containers almost always oversell their hardware.
For you as a customer it means almost always not the resources available as to what you have bought.
OpenVZ is great for providers as they use low resources but bad for customers for reasons I just mentioned ...
I know about that, however in my case it is just fine for my needs. The only problem is that Virtualmin admin panel locks itself. Everything else, - Apache, MySQL etc work ok.
as I have had my own experience with OpenVZ and virtualmin not reachable while all services are running, I would say it's a memory issue.
Since then I have moved to xen with same memory and issues were gone.
Not saying that goes for you too but it sounds like it though
Dan, it looks like the user_beancounters file you shared there is missing some lines from the top.
Is that by chance a copy and paste issue, or is that all there is in your user_beancounters file?
It appears that the memory related lines of that file aren't in there, so it's difficult to see what's going on with your RAM.
However, I agree with Ronald that it's likely a RAM issue. What you may want to do is go through and free up some RAM.
A good place to start would be to disable services you don't need -- you can do that in Webmin -> System -> Bootup and Shutdown.
For example, a lot of folks don't need Mailman and Postgres.
There's some other low memory thoughts here:
https://www.virtualmin.com/documentation/system/low-memory